她休了八个月的产假照顾宝宝。

She took an ___eight-month maternity leave to care for her baby.

这个项目需要八个月的开发时间。

The project requires an ___eight-month development period.

这个八个月大的宝宝已经能自己坐起来了。

The ___eight-month old baby can sit up by himself now.